Specifications

• Motor Category
  Blower/Fan Motor
• Motor Phase
  3 ph
• Motor Horsepower
  20 hp
• Synchronous Rpm
  1800 rpm
• Motor Supply Voltage
  230 V, 460 V
• Frame Size
  256T
• Enclosure Type
  OPSB
• Frequency Rating
  60 Hz
• Duty Condition Type
  Continuous Duty
• Base RPM
  1765 rpm
• Full Load Current
  23.50 A
• Starting Method
  Direct on line
• Electrical Type
  Three Phase
• KVA Code
  G
• Full Load Efficiency
  93.00 %
• Amps @ Voltage
  49.4 A @ 208 V; 47.0 A @ 230 V; 23.5 A @ 460 V
• Volts @ Frequency
  230 V @ 60 Hz; 460 V @ 60 Hz
• Motor Poles
  4
• Ambient Temperature Range
  104 °F;40 °C
• Description
  20HP, 1765RPM, 3PH, 60HZ, 256T, 3948M, OPSB, F1
• Assembly Box Mounting
  F1
• Description Keyword
  20 hp
• Shaft Rotation
  Reversible
• Shaft Diameter
  1.6250 in
• Drive End Bearing
  6309
• Overall Length C Dimension
  21.69 in
• Type Of Bearing
  Ball
• Drive End Bearing Size
  6309
• Opposite Drive End Bearing Size
  6208
• Opposite Drive End Bearing Type
  Ball
• Frame Material
  Steel
• Insulation Class
  F
• IP Rating
  22/23
• NEMA Design Class
  A
• Service Factor
  1.15
• Standards Met
  UR, CSA
• Weight
  255 lbs
• Harmonization Code
  8501.52.4000
• Applications
  Heating, ventilation and air conditioning blower and fan motors.
• Hp
  20 hp
• UPC_NO
  781568424179
• Manufacturer Product Page
  Click here
• Manufacturer Catalog
  Click here
• Wiring Diagram
  Click here
• Manufacturer Catalog Number
  EHM2515T
• Instructional Video
  Click here
• Additional Details
  Class F insulated motor with 1.15 service factor or higher that operates within class “B” temperature limits at rated horsepower. Heavy-gauge steel frame construction, ball bearings, with plugged grease passages. Dynamically balanced rotors for reduced vibration and quiet operation. All models meet NEMA Premium® efficiencies, are Inverter Ready, and have a 3-year warranty. Includes bar-coded spec number label. Mounting holes on drive endplate for field conversion to add AEGIS® shaft ground.
• Mounting Type
  Foot
• Number Of Speeds
  1
• Opposite Drive End Bearing
  6208
• Overall Length
  23.1900 in
• Voltage
  230 V, 460 V
• Product Type
  Air Handling (HVAC) Motors